#include #include "threaddialog.h" ThreadDialog::ThreadDialog(QWidget *parent) : QDialog(parent) { threadA.setMessage("A"); threadB.setMessage("B"); threadAButton = new QPushButton(tr("Start A")); threadBButton = new QPushButton(tr("Start B")); quitButton = new QPushButton(tr("Quit")); quitButton->setDefault(true); connect(threadAButton, SIGNAL(clicked()), this, SLOT(startOrStopThreadA())); connect(threadBButton, SIGNAL(clicked()), this, SLOT(startOrStopThreadB())); connect(quitButton, SIGNAL(clicked()), this, SLOT(close())); QHBoxLayout *mainLayout = new QHBoxLayout; mainLayout->addWidget(threadAButton); mainLayout->addWidget(threadBButton); mainLayout->addWidget(quitButton); setLayout(mainLayout); setWindowTitle(tr("Threads")); } void ThreadDialog::startOrStopThreadA() { if (threadA.isRunning()) { threadA.stop(); threadAButton->setText(tr("Start A")); } else { threadA.start(); threadAButton->setText(tr("Stop A")); } } void ThreadDialog::startOrStopThreadB() { if (threadB.isRunning()) { threadB.stop(); threadBButton->setText(tr("Start B")); } else { threadB.start(); threadBButton->setText(tr("Stop B")); } } void ThreadDialog::closeEvent(QCloseEvent *event) { threadA.stop(); threadB.stop(); threadA.wait(); threadB.wait(); event->accept(); }